18 (alƙalami)
(an turo daga 18 (adadan))
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| Cardinal | goma sha takwas | |||
Factorization (en)  | 2 × 32 | |||
| Greek numeral | ΙΗ´ | |||
| Roman numeral | XVIII | |||
| Binary | 100102 | |||
| Ternary | 2003 | |||
| Octal (en) | 228 | |||
| Duodecimal (en) | 1612 | |||
| Hexadecimal (en) | 1216 | |||
18 (goma sha takwas ko sha takwas) alƙalami ne, tsakanin 17 da 19.